package com.zyq.controller;

import com.zyq.entity.CommonResult;
import com.zyq.entity.Payment;
import com.zyq.lb.MyLB;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.net.URI;
import java.util.List;

@RestController
public class OrderController {

    public static final String PAYMENT_URL = "http://CLOUD-PAYMENT-SERVICE";

//    public static final String PAYMENT_URL = "http://localhost:8001";

//    @Autowired
//    private MyLB myLB;

//    @Autowired
//    private DiscoveryClient discoveryClient;

    @Autowired
    private RestTemplate restTemplate;

    @GetMapping("/consumer/payment/create")
    public CommonResult<Payment> create(Payment payment)
    {
        return restTemplate.postForObject(PAYMENT_URL +"/payment/create",payment,CommonResult.class);
    }

    @GetMapping("/consumer/payment/get/{id}")
    public CommonResult<Payment> getPayment(@PathVariable("id") Long id)
    {
        return restTemplate.getForObject(PAYMENT_URL+"/payment/get/"+id,CommonResult.class);
    }

    @GetMapping("/consumer/payment/getForEntity/{id}")
    public CommonResult<Payment> getPayment2(@PathVariable("id") Long id)
    {
        ResponseEntity<CommonResult> entity = restTemplate.getForEntity(PAYMENT_URL+"/payment/get/"+id,CommonResult.class);

        if(entity.getStatusCode().is2xxSuccessful()){
            return entity.getBody();
        }else{
            return new CommonResult<>(444,"操作失败");
        }
    }

//    @GetMapping(value = "/consumer/payment/lb")
//    public String getPaymentLB()
//    {
//        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
//        if (instances == null || instances.size() <= 0) {
//            return null;
//        }
//        ServiceInstance serviceInstance = myLB.instances(instances);
//        URI uri = serviceInstance.getUri();
//        return restTemplate.getForObject(uri + "/payment/lb", String.class);
//    }
}
